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()2004·(-)2005·(-1)2 003=________.
2004+(-2004)-2004×(-2004)÷2004=
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(-4)2004·(0.25)2003=(________)2003×4.
(-1)2004-|-2|=________
(-1)2004+(-2)3×5-(-0.28)÷(-2)2.